
module.exports = {
	IdentityCodeValid: (code)=> { 
            var city={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江 ",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北 ",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏 ",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外 "};
            var tip = "";
            var pass= true;
            
            if(!code || !/^(\d{18,18}|\d{15,15}|\d{17,17}x)$/i.test(code)){
                tip = "身份证号格式错误";
                pass = false;
            }

           else if(!city[code.substr(0,2)]){
                tip = "地址编码错误";
                pass = false;
            }
            else{
                //18位身份证需要验证最后一位校验位
                if(code.length == 18){
                    code = code.split('');
                    //∑(ai×Wi)(mod 11)
                    //加权因子
                    var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];
                    //校验位
                    var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];
                    var sum = 0;
                    var ai = 0;
                    var wi = 0;
                    for (var i = 0; i < 17; i++)
                    {
                        ai = code[i];
                        wi = factor[i];
                        sum += ai * wi;
                    }
                    var last = parity[sum % 11];
                    if(parity[sum % 11] != code[17]){
                        tip = "身份证格式错误";
                        pass =false;
                    }
                }
            }
            return {'pass': pass, 'tip': tip};
        },
    IdentityPhone:(phone)=>{
        //手机号码
        var re = /^(1[0-9][0-9]{9})|(15[89][0-9]{8})$/;
        return re.test(phone);
    },
    IdentityEmail:(email)=>{
        //邮箱
        var re = /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/;
        return re.test(email);
    },
    VerifPhoneOrTel:(phone)=> {
        //手机号码或者固话
        return /^((0?1[358]\d{9})|((0(10|2[1-3]|[3-9]\d{2}))?[1-9]\d{6,7}))$/.test(phone)
    },
    VerifChinese:(string)=> {
        //是否存在中文
        return /^[\u4E00-\u9FA5]/g.test(string)
    }
}
